<!DOCTYPE html>
<html lang="zh-CN">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>013-渐变小案例</title>
		<style>
			.box1 {
				width: 600px;
				height: 800px;
				padding: 20px;
				border: 1px solid black;
				margin: 0 auto;
				background-image: repeating-linear-gradient(transparent 0px, transparent 29px, gray 30px);
				background-clip: content-box;
			}

			.box2 {
				width: 200px;
				height: 200px;
				border-radius: 50%;
				margin: 0 auto;
				background-image: radial-gradient(at 80px 80px, #fff, #333);
			}
		</style>
	</head>
	<body>
		<div class="box1"></div>
		<hr />
		<div class="box2"></div>
	</body>
</html>
